Oil Boilers

Multiple Burner Options: L/Burner

Please note that any boiler with L/Burner in the description indicates the burner is not included. However, burner options are available in the "Optional Products" section at the bottom of the page for those products.

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: 80.00 - 84.99% (4)
85.00 - 89.99% (12)
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100,000 - 125,000 (1)
125,000 - 149,999 (3)
150,000 - 174,999 (4)
175,000 - 199,999 (1)
175,999 - 199,999 (1)
75,000 - 99,999 (2)
: Cast Iron (16)
: 1-1/2" (12)
2" (4)
: 1-1/2" (3)
1-1/4" (9)
2-1/2" (4)
: No (12)
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: Atmospheric (13)
Atmospheric or Direct (3)
: No (16)

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16 items (estimated)

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Weil-Mclain

386-701-000 Weil McLain SGO-3 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 133 Input MBH 86 Net Output MBH

Part #WMPSGO3LB

MFG #386701000

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

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Weil-Mclain

386-701-001 Weil McLain SGO-4 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 168 Input MBH 108 Net Output MBH

Part #WMPSGO4LB

MFG #386701001

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

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Weil-Mclain

386-701-002 Weil McLain SGO-5 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 203 Input MBH 131 Net Output MBH

Part #WMPSGO5LB

MFG #386701002

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

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Weil-Mclain

386-701-003 Weil McLain SGO-6 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 245 Input MBH 158 Net Output MBH

Part #WMPSGO6LB

MFG #386701003

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

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Weil-Mclain

386-701-012 Weil McLain WGO-2 Series-4 86.4% AFUE Oil Boiler With Circulator Less Burner 98 Input MBH 75 Net Output MBH

Part #WMPWGO2LB

MFG #386701012

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-013 Weil McLain WGO-3R Series-4 86.2% AFUE Oil Boiler With Circulator Less Burner 112 Input MBH 85 Net Output MBH

Part #WMPWGO3LB

MFG #386701013

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-014 Weil McLain WGO-4R Series-4 86.2% AFUE Oil Boiler With Circulator Less Burner 140 Input MBH 106 Net Output MBH

Part #WMPWGO4LB

MFG #386701014

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-015 Weil McLain WGO-5R Series-4 86.1% AFUE Oil Boiler With Circulator Less Burner 168 Input MBH 128 Net Output MBH

Part #WMPWGO5LB

MFG #386701015

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-016 Weil McLain WGO-6R Series-4 86.1% AFUE Oil Boiler With Circulator Less Burner 196 Input MBH 149 Net Output MBH

Part #WMPWGO6LB

MFG #386701016

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-027 Weil McLain WTGO-3R Series-4 86.2% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 112 Input MBH 85 Net Output MBH

Part #WMPWTGO3LB

MFG #386701027

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-029 Weil McLain WTGO-4R Series-4 86.2% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 140 Input MBH 106 Net Output MBH

Part #WMPWTGO4LB

MFG #386701029

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-030 Weil McLain WTGO-5R Series-4 86.1% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 168 Input MBH 128 Net Output MBH

Part #WMPWTGO5LB

MFG #386701030

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-031 Weil McLain WTGO-6R Series-4 86.1% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 196 Input MBH 149 Net Output MBH

Part #WMPWTGO6LB

MFG #386701031

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-901-006 Weil McLain Ultra Oil-3E Series-3 87% AFUE Oil Boiler With Circulator Less Burner 140 Input MBH 107 Net Output MBH

Part #WMPUO3CV/DV

MFG #386901006

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-901-007 Weil McLain Ultra Oil-4E Series-3 87% AFUE Oil Boiler With Circulator Less Burner 168 Input MBH 129 Net Output MBH

Part #WMPUO4CV/DV

MFG #386901007

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-901-008 Weil McLain Ultra Oil-5E Series-3 87% AFUE Oil Boiler With Circulator Less Burner 196 Input MBH 150 Net Output MBH

Part #WMPUO5CV/DV

MFG #386901008

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-000 Weil McLain SGO-3 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 133 Input MBH 86 Net Output MBH

Part #WMPSGO3LB

MFG #386701000

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

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Weil-Mclain

386-701-001 Weil McLain SGO-4 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 168 Input MBH 108 Net Output MBH

Part #WMPSGO4LB

MFG #386701001

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

Please Sign In into your account to see price and availability.

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Weil-Mclain

386-701-002 Weil McLain SGO-5 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 203 Input MBH 131 Net Output MBH

Part #WMPSGO5LB

MFG #386701002

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

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Weil-Mclain

386-701-003 Weil McLain SGO-6 Series-4 85% AFUE Steam Oil Boiler With Probe-LWCO Less Burner 245 Input MBH 158 Net Output MBH

Part #WMPSGO6LB

MFG #386701003

AFUE

80.00 - 84.99%

Application

Steam

Boiler Material

Cast Iron

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Weil-Mclain

386-701-012 Weil McLain WGO-2 Series-4 86.4% AFUE Oil Boiler With Circulator Less Burner 98 Input MBH 75 Net Output MBH

Part #WMPWGO2LB

MFG #386701012

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-013 Weil McLain WGO-3R Series-4 86.2% AFUE Oil Boiler With Circulator Less Burner 112 Input MBH 85 Net Output MBH

Part #WMPWGO3LB

MFG #386701013

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-014 Weil McLain WGO-4R Series-4 86.2% AFUE Oil Boiler With Circulator Less Burner 140 Input MBH 106 Net Output MBH

Part #WMPWGO4LB

MFG #386701014

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-015 Weil McLain WGO-5R Series-4 86.1% AFUE Oil Boiler With Circulator Less Burner 168 Input MBH 128 Net Output MBH

Part #WMPWGO5LB

MFG #386701015

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-016 Weil McLain WGO-6R Series-4 86.1% AFUE Oil Boiler With Circulator Less Burner 196 Input MBH 149 Net Output MBH

Part #WMPWGO6LB

MFG #386701016

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

Please Sign In into your account to see price and availability.

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Weil-Mclain

386-701-027 Weil McLain WTGO-3R Series-4 86.2% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 112 Input MBH 85 Net Output MBH

Part #WMPWTGO3LB

MFG #386701027

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-701-029 Weil McLain WTGO-4R Series-4 86.2% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 140 Input MBH 106 Net Output MBH

Part #WMPWTGO4LB

MFG #386701029

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

Please Sign In into your account to see price and availability.

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Weil-Mclain

386-701-030 Weil McLain WTGO-5R Series-4 86.1% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 168 Input MBH 128 Net Output MBH

Part #WMPWTGO5LB

MFG #386701030

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

Please Sign In into your account to see price and availability.

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Weil-Mclain

386-701-031 Weil McLain WTGO-6R Series-4 86.1% AFUE Oil Boiler With Circulator And Tankless Coil Less Burner 196 Input MBH 149 Net Output MBH

Part #WMPWTGO6LB

MFG #386701031

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-901-006 Weil McLain Ultra Oil-3E Series-3 87% AFUE Oil Boiler With Circulator Less Burner 140 Input MBH 107 Net Output MBH

Part #WMPUO3CV/DV

MFG #386901006

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-901-007 Weil McLain Ultra Oil-4E Series-3 87% AFUE Oil Boiler With Circulator Less Burner 168 Input MBH 129 Net Output MBH

Part #WMPUO4CV/DV

MFG #386901007

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

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Weil-Mclain

386-901-008 Weil McLain Ultra Oil-5E Series-3 87% AFUE Oil Boiler With Circulator Less Burner 196 Input MBH 150 Net Output MBH

Part #WMPUO5CV/DV

MFG #386901008

AFUE

85.00 - 89.99%

Application

Water

Boiler Material

Cast Iron

Please Sign In into your account to see price and availability.

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